Survey says: Ducks down 6 percent across North America - Duluth News Tribune

Annual North American survey shows diving duck populations dwindling.

LDWF's aerial survey: Duck numbers down 36 percent compared to last December - Louisiana Sportsman

North American spring duck count down - Duluth News Tribune

Waterfowl Survey Produces Mixed Results, Sports

Loons or Ducks? Help Me Identify the Birds I Saw on Lake Superior

Jerry Thoreson, Author at Destination Duluth

North American spring duck count down - Duluth News Tribune

Minnesota, Familypedia

DNR to Euthanize Up to 300 Geese on St. Louis River in Duluth

Shrinking wetlands, rising seas threaten generations of tradition for Louisiana duck hunters

North American spring duck count down - Duluth News Tribune

Around the Circle This Week: September 7, 2018 - Lake Superior Magazine

2023 Duck Population Numbers: 2023-2024 Waterfowl Season

The Demise of Ruffed Grouse Hunting

Duck numbers down in Minnesota - Duluth News Tribune